/*
* Licensed to Elastic Search and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search licenses this
* file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.rest.action.view;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.view.ViewAction;
import org.elasticsearch.action.view.ViewRequest;
import org.elasticsearch.action.view.ViewResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.rest.*;
import org.elasticsearch.view.exception.ElasticSearchViewNotFoundException;
import java.io.IOException;
import static org.elasticsearch.rest.RestRequest.Method.GET;
import static org.elasticsearch.rest.RestStatus.NOT_FOUND;
public class RestViewAction extends BaseRestHandler {
@Inject
public RestViewAction(Settings settings, Client client, RestController controller) {
super(settings, client);
controller.registerHandler(GET, "/_view/{index}/{type}/{id}", this);
controller.registerHandler(GET, "/_view/{index}/{type}/{id}/{format}", this);
}
public void handleRequest(final RestRequest request, final RestChannel channel) {
ViewRequest viewRequest = new ViewRequest(request.param("index"), request.param("type"), request.param("id"));
if (request.hasParam("format")) {
viewRequest.format(request.param("format"));
}
// we just send a response, no need to fork
viewRequest.listenerThreaded(false);
// we don't spawn, then fork if local
viewRequest.operationThreaded(true);
client.execute(ViewAction.INSTANCE, viewRequest, new ActionListener<ViewResponse>() {
public void onResponse(ViewResponse response) {
try {
channel.sendResponse(new BytesRestResponse(response.content(), response.contentType()));
} catch (Exception e) {
onFailure(e);
}
}
public void onFailure(Throwable e) {
try {
if (e instanceof ElasticSearchViewNotFoundException) {
channel.sendResponse(new XContentThrowableRestResponse(request, NOT_FOUND, e));
} else {
channel.sendResponse(new XContentThrowableRestResponse(request, e));
}
} catch (IOException e1) {
logger.error("Failed to send failure response", e1);
}
}
});
}
}